package com.changgou.seckill.service.impl;

import com.changgou.seckill.dao.SeckillGoodsMapper;
import com.changgou.seckill.dao.SeckillOrderMapper;
import com.changgou.seckill.pojo.SeckillGoods;
import com.changgou.seckill.pojo.SeckillOrder;
import com.changgou.seckill.pojo.SeckillStatus;
import com.changgou.seckill.service.SeckillOrderService;
import com.changgou.seckill.task.MultiThreadingCreateOrder;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import entity.IdWorker;
import entity.StatusCode;
import entity.SystemConstants;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;
import tk.mybatis.mapper.entity.Example;

import java.util.Date;
import java.util.List;

/****
 * @Author:admin
 * @Description:SeckillOrder业务层接口实现类
 * @Date 2019/6/14 0:16
 *****/
@Service
public class SeckillOrderServiceImpl implements SeckillOrderService {

    @Autowired
    private SeckillOrderMapper seckillOrderMapper;


    /**
     * SeckillOrder条件+分页查询
     * @param seckillOrder 查询条件
     * @param page 页码
     * @param size 页大小
     * @return 分页结果
     */
    @Override
    public PageInfo<SeckillOrder> findPage(SeckillOrder seckillOrder, int page, int size){
        //分页
        PageHelper.startPage(page,size);
        //搜索条件构建
        Example example = createExample(seckillOrder);
        //执行搜索
        return new PageInfo<SeckillOrder>(seckillOrderMapper.selectByExample(example));
    }

    /**
     * SeckillOrder分页查询
     * @param page
     * @param size
     * @return
     */
    @Override
    public PageInfo<SeckillOrder> findPage(int page, int size){
        //静态分页
        PageHelper.startPage(page,size);
        //分页查询
        return new PageInfo<SeckillOrder>(seckillOrderMapper.selectAll());
    }

    /**
     * SeckillOrder条件查询
     * @param seckillOrder
     * @return
     */
    @Override
    public List<SeckillOrder> findList(SeckillOrder seckillOrder){
        //构建查询条件
        Example example = createExample(seckillOrder);
        //根据构建的条件查询数据
        return seckillOrderMapper.selectByExample(example);
    }


    /**
     * SeckillOrder构建查询对象
     * @param seckillOrder
     * @return
     */
    public Example createExample(SeckillOrder seckillOrder){
        Example example=new Example(SeckillOrder.class);
        Example.Criteria criteria = example.createCriteria();
        if(seckillOrder!=null){
            // 主键
            if(!StringUtils.isEmpty(seckillOrder.getId())){
                    criteria.andEqualTo("id",seckillOrder.getId());
            }
            // 秒杀商品ID
            if(!StringUtils.isEmpty(seckillOrder.getSeckillId())){
                    criteria.andEqualTo("seckillId",seckillOrder.getSeckillId());
            }
            // 支付金额
            if(!StringUtils.isEmpty(seckillOrder.getMoney())){
                    criteria.andEqualTo("money",seckillOrder.getMoney());
            }
            // 用户
            if(!StringUtils.isEmpty(seckillOrder.getUserId())){
                    criteria.andEqualTo("userId",seckillOrder.getUserId());
            }
            // 创建时间
            if(!StringUtils.isEmpty(seckillOrder.getCreateTime())){
                    criteria.andEqualTo("createTime",seckillOrder.getCreateTime());
            }
            // 支付时间
            if(!StringUtils.isEmpty(seckillOrder.getPayTime())){
                    criteria.andEqualTo("payTime",seckillOrder.getPayTime());
            }
            // 状态，0未支付，1已支付
            if(!StringUtils.isEmpty(seckillOrder.getStatus())){
                    criteria.andEqualTo("status",seckillOrder.getStatus());
            }
            // 收货人地址
            if(!StringUtils.isEmpty(seckillOrder.getReceiverAddress())){
                    criteria.andEqualTo("receiverAddress",seckillOrder.getReceiverAddress());
            }
            // 收货人电话
            if(!StringUtils.isEmpty(seckillOrder.getReceiverMobile())){
                    criteria.andEqualTo("receiverMobile",seckillOrder.getReceiverMobile());
            }
            // 收货人
            if(!StringUtils.isEmpty(seckillOrder.getReceiver())){
                    criteria.andEqualTo("receiver",seckillOrder.getReceiver());
            }
            // 交易流水
            if(!StringUtils.isEmpty(seckillOrder.getTransactionId())){
                    criteria.andEqualTo("transactionId",seckillOrder.getTransactionId());
            }
        }
        return example;
    }

    /**
     * 删除
     * @param id
     */
    @Override
    public void delete(Long id){
        seckillOrderMapper.deleteByPrimaryKey(id);
    }

    /**
     * 修改SeckillOrder
     * @param seckillOrder
     */
    @Override
    public void update(SeckillOrder seckillOrder){
        seckillOrderMapper.updateByPrimaryKey(seckillOrder);
    }

    /**
     * 增加SeckillOrder
     * @param seckillOrder
     */
    @Override
    public void add(SeckillOrder seckillOrder){
        seckillOrderMapper.insert(seckillOrder);
    }

    /**
     * 根据ID查询SeckillOrder
     * @param id
     * @return
     */
    @Override
    public SeckillOrder findById(Long id){
        return  seckillOrderMapper.selectByPrimaryKey(id);
    }

    /**
     * 查询SeckillOrder全部数据
     * @return
     */
    @Override
    public List<SeckillOrder> findAll() {
        return seckillOrderMapper.selectAll();
    }


    @Autowired
    private RedisTemplate redisTemplate;

    @Autowired
    private IdWorker idWorker;

    @Autowired
    private SeckillGoodsMapper seckillGoodsMapper;

    @Autowired
    private MultiThreadingCreateOrder multiThreadingCreateOrder;

    @Override
    public boolean add(Long id, String time, String username) {


        // 该当前的用户加一个数字+1   incr         使用hash    key field  2

        Long userQueueCount = redisTemplate.boundHashOps(SystemConstants.SEC_KILL_QUEUE_REPEAT_KEY).increment(username, 1);

        //判断 是否大于1 如果是,返回 ,否则 就放行 重复了.
        if(userQueueCount>1){
            throw  new RuntimeException("20006");
        }




        /**
         * username 抢单的用户是谁
         * status 1  表示抢单的状态 (1.排队中)
         * id 抢的商品的ID
         * time :抢的商品的所属时间段
         */
        SeckillStatus seckillStatus = new SeckillStatus(username, new Date(),1, id,time);

        //进入排队中
        redisTemplate.boundListOps(SystemConstants.SEC_KILL_USER_QUEUE_KEY).leftPush(seckillStatus);


        //进入排队标识
        redisTemplate.boundHashOps(SystemConstants.SEC_KILL_USER_STATUS_KEY).put(username,seckillStatus);



        //多线程下单
        multiThreadingCreateOrder.createrOrder();

        return true;
    }

    @Override
    public SeckillStatus queryStatus(String username) {
      return (SeckillStatus) redisTemplate.boundHashOps(SystemConstants.SEC_KILL_USER_STATUS_KEY).get(username);
    }
}
